Fix issue 4986 -- SparseMatrixCSC reinterpret bug

gitfoxi · Nov 30, 2013 · 754fb5e · 754fb5e
1 parent c7216f3
commit 754fb5e
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/base/sparse/sparsematrix.jl b/base/sparse/sparsematrix.jl
@@ -43,7 +43,7 @@ function reinterpret{T,Tv,Ti}(::Type{T}, a::SparseMatrixCSC{Tv,Ti})
     mA, nA = size(a)
     colptr = copy(a.colptr)
     rowval = copy(a.rowval)
-    nzval  = reinterpret(Tv, a.nzval)
+    nzval  = reinterpret(T, a.nzval)
     return SparseMatrixCSC{T,Ti}(mA, nA, colptr, rowval, nzval)
 end
 

diff --git a/test/sparse.jl b/test/sparse.jl
@@ -116,3 +116,8 @@ A = sparse(rowval, colval, ones(length(rowval)))
 P,post = Base.LinAlg.etree(A, true)
 @test P == int32([6,3,8,6,8,7,9,10,10,11,0])
 @test post == int32([2,3,5,8,1,4,6,7,9,10,11])
+
+# reinterpret issue 4986
+sfe22 = speye(Float64, 2)
+mfe22 = eye(Float64, 2)
+@test reinterpret(Int64, sfe22) == reinterpret(Int64, mfe22)